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Finding the Third Proportional to 165 and 333.75

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Solution

The third proportional to 165 and 333.75 is: 675.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165 : 333.75 = 333.75 : x
  2. Step 2: Convert to fraction form
    165/333.75 = 333.75/x
  3. Step 3: Cross multiply
    165x = 333.75 × 333.75
  4. Step 4: Simplify right side
    165x = 111,389.06
  5. Step 5: Solve for x
    x = 111,389.06/165
  6. Step 6: Final answer
    x = 675.09

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.